diff --git a/config.fish b/config.fish
index 8075fcb..c912c9a 100644
--- a/config.fish
+++ b/config.fish
@@ -21,8 +21,8 @@ end
 
 function _set_env
     if [ "$TERM" = "foot" ] || [ "$TERM" = "xterm-kitty" ]
-	    alias ssh="TERM=xterm-256color $(which ssh)"
-	    alias gg="TERM=xterm-256color $(which gg)"
+        which ssh > /dev/null 2>&1 && alias ssh="TERM=xterm-256color $(which ssh)"
+	    which gg  > /dev/null 2>&1 && alias  gg="TERM=xterm-256color $(which gg)"
     end
     set -x VIRTUAL_ENV_DISABLE_PROMPT
     set -x PF_INFO "ascii title os host kernel uptime memory de"